Daily Water Intake by City
Personalized Hydration Calculator
How much water should you drink today? It depends on where you are and on you. HydrationMap estimates your daily water intake using live weather data and personal factors like body weight, age, activity level, and other relevant conditions.
Highest Needs Right Now
Mexico City3380ml
Global Average
2900mldaily intake
Lowest Needs Right Now
Calgary2660ml
541
Cities Monitored
100+
Countries covered
12+
Variables Tracked
12 min ago
Last Data Update
Extreme Hydration Alerts
Cities where current weather conditions significantly increase daily water needs due to heat, humidity, dryness, or altitude.
Mexico City
Mexico
High
3380ml
23°C / 73°F
20% Hum
121% of global average needs
Flagstaff
United States
High
3280ml
8.9°C / 48°F
25% Hum
117% of global average needs
Isfahan
Iran
High
3280ml
12.9°C / 55°F
25% Hum
117% of global average needs
Bogotá
Colombia
High
3250ml
13.3°C / 56°F
95% Hum
116% of global average needs
Denver
United States
High
3250ml
19.4°C / 67°F
12% Hum
116% of global average needs
Quito
Ecuador
High
3250ml
12°C / 54°F
94% Hum
116% of global average needs
Colorado Springs
United States
High
3230ml
16.1°C / 61°F
13% Hum
115% of global average needs
Guadalajara
Mexico
High
3220ml
25.1°C / 77°F
32% Hum
115% of global average needs
Safest Hydration Locations
Cities with optimal conditions for maintaining hydration levels naturally.
Calgary
Canada
Low Risk
2660ml
-6.7°C / 20°F
79% Hum
95% of global average needs
Omsk
Russia
Low Risk
2700ml
-1°C / 30°F
64% Hum
96% of global average needs
Aarhus
Denmark
Low Risk
2710ml
0.2°C / 32°F
100% Hum
97% of global average needs
Gothenburg
Sweden
Low Risk
2720ml
1.2°C / 34°F
93% Hum
97% of global average needs
Murmansk
Russia
Low Risk
2730ml
2°C / 36°F
93% Hum
97% of global average needs
Rostock
Germany
Low Risk
2730ml
3°C / 37°F
93% Hum
97% of global average needs
Varna
Bulgaria
Low Risk
2740ml
3.2°C / 38°F
100% Hum
98% of global average needs
Minsk
Belarus
Low Risk
2740ml
4.3°C / 40°F
100% Hum
98% of global average needs
Global Hydration Trends
Hydration needs vary significantly by region. Our data shows that residents in arid climates may need up to 40% more water daily compared to those in temperate zones.
Country Averages
Daily Intake1
Sudan
3000ml
2
Nigeria
3000ml
3
Eritrea
2900ml
4
Italy
2800ml
5
Japan
2800ml
Hydration Academy
Expert advice to help you stay healthy and hydrated.
Guide
Best Time to Drink Water for Maximum Hydration
Learn the best times to drink water – after waking, before meals, during exercise, and before bed – to maximize hydration, boost energy, and improve digestion.
Read Article
Guide
Dehydration Symptoms: What Your Body Is Trying to Tell You
Complete guide to recognizing dehydration symptoms, monitoring hydration with urine color, and prevention strategies.
Read Article
Guide
Electrolyte Drinks vs Water: What Actually Rehydrates You Faster?
Electrolyte drinks vs water—which rehydrates faster? This science-backed guide explores electrolyte balance, ORS, sports hydration, and when to use each.
Read Article
Why Monitor Global Hydration?
Environmental factors account for up to 40% of your daily water needs variance. While the "8 glasses a day" rule is a good starting point, it fails to account for temperature, humidity, altitude, and UV index.
HydrationMap uses real-time weather data to calculate precise hydration requirements for around 500 cities. Whether you're traveling to the arid heat of Dubai or the humid climate of Singapore, our algorithms help you stay ahead of dehydration.
Scientific Formula
Our calculations are based on the Galvez equation and modern sports science research, adjusting for 12+ physiological and environmental variables.
Real-Time Data
We refresh weather data hourly to ensure your recommendations are accurate for the current conditions, not just historical averages.